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温州种子植物区系统计分析
Authors
丁炳扬
周庄
+5 more
朱圣潮
熊先华
胡仁勇
陈贤兴
陶正明
Publication date
1 January 2017
Publisher
Abstract
温州地区位于浙江东南部,地处27°03′~28°36′N,119°37′~121°18′E,独特的地理位置和生态环境令其植物物种多样性较为丰富.基于文献和标本查阅,通过《温州植物志》项目组近6 a的系统调查,编写了《温州野生维管束植物名录》,以此名录为依据对温州种子植物区系进行了统计分析.结果发现:温州地区共有野生种子植物166科,958属,2 460种(不含种下类群),其中裸子植物8科,20属,25种,被子植物158科,938属,2 435种.就科和属所包含的种数而言,寡种科(2~10种)和单种属最多,分别占总科数和总属数的48.2%和53.9%,体现出科、属水平上的多样性.属的分布区可划分为14个类型和24个变型,热带分布的属稍多于温带分布(分别占50.1%和47.4%),以泛热带分布及其变型所占比例最大(19.8%),其次是北温带分布及其变型(17.0%)和东亚分布及其变型(13.2%).本种子植物区系具有植物种类丰富、地理成分多样、珍稀濒危植物较多、亚热带山地植物区系性质、外来植物入侵风险较大等特征
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Last time updated on 29/08/2018